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OSG Spiral Flute Tap: 7/16"-20 UNF, H7 / 2B-3B, 3 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 7/16"-20 UNF, H7 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (7/16"-20 UNF, MPN 2949008) is a general-purpose spiral-flute tap with a modified bottoming chamfer, 3 flutes, and H7 / 2B-3B tolerance class. This OSG tap is designed for threading…

SKU 3G-OTH-230832

Brand
OSG
Item
Spiral Flute Tap: 7/16"-20 UNF, H7 / 2B-3B, 3 Flute
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

OSG
Manufacturer Part Number
2949008
Type
H7 / 2B-3B, Modified Bottoming Chamfer
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap (7/16"-20 UNF, MPN 2949008) is a general-purpose spiral-flute tap with a modified bottoming chamfer, 3 flutes, and H7 / 2B-3B tolerance class. This OSG tap is designed for threading operations requiring chip evacuation in through-hole applications.

Frequently Asked Questions

What is the OSG spiral flute tap 2949008 used for?

The OSG spiral flute tap 2949008 is used for threading holes in materials like steel and aluminum. Its spiral flute design lifts chips upward, making it ideal for blind-hole threading in general-purpose machining applications.

What are the specifications of the OSG spiral flute tap 2949008?

The OSG spiral flute tap 2949008 has a 7/16"-20 UNF thread size, H7 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is a general-purpose tap designed for precise threading in blind holes.

Where to buy the OSG spiral flute tap 2949008 worldwide?

You can source the OSG spiral flute tap 2949008 through 3G Electric, a global industrial equipment distributor. We handle logistics, customs clearance, and delivery to worldwide locations, ensuring reliable supply for your operations.

How to select the correct OSG spiral flute tap for UNF threads?

To select the correct OSG spiral flute tap for UNF threads, match the thread size (e.g., 7/16"-20 UNF) and tolerance class (e.g., H7 / 2B-3B) to your application. For blind holes, choose a spiral flute design with a modified bottoming chamfer for chip evacuation.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

OSG Products

3G Electric supplies OSG general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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